в AppSettings
    "MobileServiceBusOptions": {
      "HostUri": "rabbitmq://rabbitmq.test.jin.com/jmobile",
      "UserName": "jmobile",
      "Password": "K****x",
      "Timeout": 20000,
      "Name_queue": "queueNr1"
     }

в Сервисе инициализировались все очереди вот так:

        private IRequestClient<Tin, Tout> GetRequestClientWithBus<Tin, Tout>(string queueName) where Tin : class where Tout : class
        {
            var serviceAddress = new Uri($"{_hostUri}/{queueName}"); // serviceAddress  - это "HostUri" / "Name_queue", т.е. = "rabbitmq://rabbitmq.test.jin.com/jmobile/queueNr1"
            var timeout = TimeSpan.FromMilliseconds(_options.Value.Timeout);
            return new MessageRequestClient<Tin, Tout>(_bus, serviceAddress, timeout);
        }

Всё нормально работает без проблем.

в AppSettings
    "MobileServiceBusOptions": {
    "HostUri": "rabbitmq://tv-web.stin.com/jelell_p",
    "UserName": "electrobill",
    "Password": "q*****k",
    "Timeout": 20000,
    "Name_queue": "v3/wbill/payment/check"
     }


        private IRequestClient<Tin, Tout> GetRequestClientWithBus<Tin, Tout>(string queueName) where Tin : class where Tout : class
        {
            var serviceAddress = new Uri($"{_hostUri}/{queueName}"); 
            // такая схема теперь не работает:  
           // serviceAddress  - это "HostUri" / "Name_queue", т.е. = "rabbitmq://tv-web.stin.com/jelell_p/v3/wbill/payment/check"
            var timeout = TimeSpan.FromMilliseconds(_options.Value.Timeout);
            return new MessageRequestClient<Tin, Tout>(_bus, serviceAddress, timeout);
        }